Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 10°F | 33°F | 21°F | 0.7" |
February | 13°F | 38°F | 24°F | 0.8" |
March | 26°F | 53°F | 38°F | 1.5" |
April | 37°F | 66°F | 51°F | 3.5" |
May | 48°F | 77°F | 62°F | 4.2" |
June | 59°F | 86°F | 72°F | 4.9" |
July | 63°F | 89°F | 76°F | 3.5" |
August | 60°F | 86°F | 73°F | 5.6" |
September | 51°F | 81°F | 65°F | 3.1" |
October | 38°F | 68°F | 52°F | 3.0" |
November | 25°F | 53°F | 38°F | 1.1" |
December | 13°F | 36°F | 24°F | 1.7" |
Index | Westfield | Iowa | National |
Air quality index | 35 | 39 | 42 |
Pollution index | 397,267 | 1,154,535 | 2,726,193 |
Measurement | Total |
Days measured | 364 |
Days with good air quality | 322 |
Days with moderate air quality | 42 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.000% |
Benzene | 0.010% |
Carbon Tetrachloride | 0.001% |
Lead | 0.000% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Jefferson, SD | 677 | 35 | 30.0% |
Chatsworth, IA | 56 | 35 | 30.0% |
Newcastle, NE | 407 | 35 | 30.0% |
Akron, IA | 1,478 | 35 | 30.0% |
Elk Point, SD | 2,102 | 35 | 30.0% |
Westfield, IA | 120 | 35 | 30.0% |
City | Population | Air Quality Index | National Avg. |
Haleburg, AL | 120 | 35 | 30.0% |
Haynes, AR | 120 | 45 | 10.0% |
Pike, CA | 120 | 44 | 12.0% |
Nunez, GA | 120 | 47 | 6.0% |
Makaha Valley, HI | 120 | 30 | 40.0% |
Westfield, IA | 120 | 35 | 30.0% |